胶粘剂新专利

水基热固阻燃型胶粘剂制备方法 US 2008 171231（2008-07-17） 专利介绍了阻燃型、无腐蚀性胶粘剂的组成以及用其生产多孔性材料的工艺方法。此阻燃型胶粘剂组成含有阻燃剂、防腐剂、酪素液体改性的三聚氰胺树脂胶粘剂和单体-聚合物型MDI催化剂。这种阻燃型胶粘剂组成和用其制备的产品具有阻燃性、无腐蚀性，并且能防霉菌和昆虫的侵害。其中的防腐剂由98％八硼酸二钠的4水化合物（Na2B8O13·4H2O）和2％的惰性物组成；阻燃剂包括磷酸型阻燃剂（如聚磷酸铵）和氨系阻燃剂（如三聚氰胺磷酸盐）。     

有机磷阻燃剂DOPO-HQ改性吸油聚氨酯泡沫的研究

以聚醚多元醇、亲油性二元醇、有机磷阻燃剂10-(2,5-二羟基苯基)-10-氢-9-氧杂-10-膦杂菲-10-氧化物（DOPO-HQ) 、甲苯二异氰酸（TDI）等为原料制备了阻燃型聚氨酯吸油泡沫,并研究了DOPO-HQ用量对阻燃型聚氨酯泡沫的拉伸强度、吸油性能、阻燃性能的影响。结果表明,随着DOPO-HQ用量的增加,阻燃型聚氨酯泡沫的拉伸强度先增大后减小;吸油性能逐渐下降;随着阻燃剂DOPO-HQ的用量从0增加到12份（质量份,下同）,阻燃型聚氨酯泡沫的极限氧指数由18.2 %提高到27.2 %,达到难燃级别。     

J-2005胶粘剂

<正> 一、特点及用途J-2005胶粘剂为液态、双组份、低温升环氧型胶粘剂。本胶粘剂毒性低、粘接性能良好,室温或稍高温志下无需加压即可固化,使用方便。其固化物具有良好的柔韧性、优良的电气绝缘性能。本胶粘剂已达到了国外同类产品的技术性能和工艺性能,用途广泛,可用于浇注高压电源、印刷电路板、封装插头、浇注带电体和电子元件等。较低的温升使得本胶粘剂还适用于热敏元件的制作。     

阻燃型万寿菊秸秆板制备优化工艺研究

采用正交试验设计方法，研究阻燃型万寿菊秸秆板的制备优化工艺参数。结果表明，当制备工艺参数为热压温度130℃,热压时间12 min,热压压力3 MPa,施胶量12%时，秸秆板性能最为优化。在此条件下，板材最大氧指数为34.2%,达到GB 8624-2012《建筑材料及制品燃烧性能分级》中B1级难燃材料的氧指数要求。分析认为阻燃剂中的磷、氮元素发挥了协同效应，以此提升了阻燃效果。     

全国胶粘剂标准化技术审查委员会在苏州召开

<正> 全国胶粘剂标准化技术审查委员会于一九八六年十月九日至十六日在江苏省苏州市召开。参加会议的有委员和特邀代表共40余人。会议总结了本年度工作,讨论了八七年的工作计划,审查了“胶粘剂抗劈强度的测定方法”、“胶粘剂拉伸剪切蠕变性能试验方法”、“胶粘剂贮存性能试验方法”、“压敏胶粘带拉伸性能试验方法”、“压敏胶粘带剪     

胶粘剂新专利

本发明涉及到一种导电胶粘剂,包含环氧聚合物,固化剂以及分散于环氧胶粘剂基体中导电粒子。此种胶粘剂可以广泛用芯片元件的组装,如电路板上的驱动晶片或LED元件。利用导电胶粘剂制成导电胶膜,在芯片元件与电路板之间形成电气连接,同时也使得芯片元件固定在电路板上。这种粘接方法使得粘接工序简化,达到提高生产效率的目的。为解决芯片元件与电路板因膨胀系数不同而产生剥离的问题,此胶粘剂通过降低弹性模量,来降低粘接处内应力。并且通过了一系列的可靠性测试,包括回焊炉试验,热冲击试验,高温高湿测试或高压蒸煮测试,此种胶粘剂仍具有良好的使用效果。     

阻燃型大豆蛋白胶粘剂的制备与应用性能研究

以大豆蛋白粉、生化复合改性剂为主要原料,制备了无醛胶粘剂;然后采用添加法制备了阻燃型大豆蛋白胶粘剂,并将其应用于无醛阻燃刨花板的制备。研究结果表明:添加磷-氮-硼阻燃剂(FR-B)时,所制备的阻燃无醛胶粘剂具有相对最好的综合性能,其不仅能显著提高刨花板的阻燃性能,而且对刨花板的力学性能影响较小;当w(FR-B)=7%(相对于刨花质量而言)时,刨花板的阻燃性能相对最好,并且其各项力学性能均满足GB/T 4897—2015标准中的指标要求。     

木素—苯酚胶粘剂制造方法

以牛皮纸浆黑液直接作为原料,可以获得工作性能、贮藏稳定性、粘附性能良好的木素—苯酚缩聚树脂胶粘剂,该胶粘剂便宜、无味,而且可以用于制造耐水性的胶合板。关于木素—苯酚树脂胶粘剂也在“木材工业”Vol.24-2中由半井等人的研究论文中阐明了它的那种胶粘剂的利用价值,然     

油酸醇胺的润滑效应

<正> 油酸三乙醇胺、油酸乙醇胺、油酸乙二胺等物质,具有润滑和防锈作用,因而常作为工作液的添加剂使用。水-聚乙二醇工作液用途广泛,如作为难燃液压液可用于军事液压技术,矿山、冶金液压设备。这种工作液不易着火、抗燃性高、使用安全,而且它的成本低于磷酸酯难燃液,因此对它的发展颇为重视。但这种工作液的润滑性能低于石油基液压油。为改善这一性能,我们基于国内资源,着重研究了油酸醇胺、油酸胺的添加对其润滑性能的影响。试验结果表明,在水-聚乙二醇体系中,加入油酸三乙醇胺、油酸乙醇胺、油酸乙二胺、油酸二乙三胺,可以大幅度地提高润滑膜的强度,从而为提高水溶聚合物润滑体系的液膜强度提供了依据。     

导热性胶粘剂的类型与应用

当今很多电子产品要求控制热量，需要胶粘剂有较高的热导率，但胶粘剂本身的热导率较低，导热性不佳，严重制约了胶粘剂拓展应用范围。然而，环氧树脂、马来酰亚胺树脂、有机硅聚合物和氯醚橡胶等添加不同种类、不同数量的金属粉或其他导热填料制得的导热胶粘剂，可以将热敏性电子元件中的热量转移散发出去，还能减小因热膨胀系数不同产生的内应力。目前，导热胶粘剂已有很多类型，如金属粉填充型，金属氧化物粉填充型、氮化物填充型、碳化硅填充型、非金属石墨填充型等。常用的金属粉有银、铜、镍、铝、镁和铁粉等，用于填充环氧树脂等可制备出导热性良好的胶粘剂。     

易燃易爆危险品火灾危险性分级标准概述

危险化学品种类繁多,容易发生火灾,且一旦发生火灾难于扑救。介绍了危险化学品火灾事故的特点。危险品中的易燃气体、易燃液体、易燃固体、氧化类物质具有易燃易爆特点,属于消防监督管理的范围。介绍了易燃气体的火灾危险性参数测试标准及不同爆炸极限测试标准的特点。介绍了可燃液体的火灾危险性参数测试标准,概述了不同闪点测试标准的适用范围。概述了可燃固体、氧化类物质的火灾危险性分级标准。展望了易燃易爆危险品需开展的研究及标准的制定。     

Heat transfer by radiation and convection in fire testing

Fire safety engineers, especially those experts writing fire test standards, often have different understandings of the concepts of heat transfer from a fire to a surface by radiation and convection. The concepts are therefore often not very well defined, in e.g. ISO and CEN standards, leading in many cases to confusions, misunderstandings and considerable errors. This paper is an effort, in a very simple way, to make the issue a little clearer, particularly for use in international standardization work. ISO/TC92 and the International FORUM of Fire Research Directors are currently endorsing very important work on procedures to calibrate heat flux meters. The two entities, heat transfer by radiation and convection, may be treated independently. The presentation below is deliberately very short and basic avoiding many phenomena that are not immediately needed in most fire standardization work. Recommendations are reached on how to define and measure heat transfer in fire testing. Copyright © 2004 John Wiley & Sons, Ltd.     

橡胶型电子元件胶黏剂的配方设计

论述了橡胶型电子元件胶黏剂在配方设计中的几个关键方面,分别是氯丁橡胶胶种、溶剂、增黏树脂、填料及硫化促进剂、防老剂的选择。并简要介绍了产品性能的测试方法。     

Fire-gas hazards in rail traffic

A review is given of the various national requirements and test procedures concerning testing and classification of smoke produced in the case of a fire in rolling stock. A comparison of the various test methods is made using the relevant available literature. The toxic potency philosophy of SC3 ‘Toxic Hazard in Fire’ from ISO TC92 is used to provide a concept for assessing the possible smoke hazard in the case of a fire.     

Effects of silicon additive as synergists of Mg(OH)2 on the flammability of ethylene vinyl acetate copolymer

The present work dealt with the effects of nine kinds of silicon additives on flame retardancy of ethylene‐vinyl acetate copolymer (EVA)/magnesium hydroxide [Mg(OH)₂] composites, as well as mechanical properties. The limiting oxygen index (LOI) test, horizontal fire test, vertical fire test, and cone calorimeter test were employed to evaluate flame retardancy of the composites. It was found that different silicon additives had different synergistic effects with Mg(OH)₂ on flame retardancy of the EVA matrix and exerted different influences on mechanical properties of the composites. The incorporation of organic montmorillonite (MMT) clay or silicone rubber not only made the composite reach FH‐1 rating in the horizontal fire test and FV‐1 rating in the vertical fire test, respectively, but also dramatically reduced the peak rate of heat release (Peak RHR) and increased the fire performance index (FPI) and ignition time (IT). The composites filled with precipitated SiO₂ exhibited the longest IT, the highest FPI, and FV‐1 rating. However, only the composites filled with silicone rubber could attain a balance between mechanical properties and flame retardancy. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci, 2006     

Surface Controlled Fire Retardancy of Polymers Using Plasma Polymerisation

Fire retardant coatings are deposited on polyamide‐66 using plasma polymerisation. Chemical composition and thickness of deposits are adjusted varying the plasma treatment based on hexamethyldisiloxane mixed with oxygen. The fire retardancy performances are evaluated using a cone calorimeter. The correlation between fire retardancy and thickness as well as chemical composition is discussed.     

Concepts for fire protection of passenger rail transportation vehicles: Past,present, and future

Recent advances in passenger rail transportation, fire test methods, and hazard analysis necessitate re-examination of requirements for fire safety. Several studies have indicated nearly random ability of current bench-scale tests to predicts actual fire behavior. Fire safety in any application, including transportation, requires a multi-faceted approach. The effects of vehicle design, material selection, detection and suppression systems, and emergency egress and their interaction, on the overall fire safety of the passenger trains must all be considered. The strengths and weakness of current methods for measuring the fire performance of rail transportation systems are evaluated. A systems approach to fire safety which address typical passenger train fire scenatios is analyzed. A rationale is presented for the direction in which most fire science-oriented organizations in the world are clearly headed – the use of fire hazard and fire risk assessment methods supported by measurement methods based on heat release rate.     

Toxic gas and smoke assessment studies on vinyl floor covering with the fire propagation test

The Fire Propagation Test (BS 476 Part 6) has been used with the discharge of combustion products into a small test room, to provide a fire hazard assessment of some polyvinylchloride floor covering systems, and includes measurements of fire propagation, smoke, CO and HCI production. Particular attention has been given to the change in the HCI concentration of the Room atmosphere during the test and the influence of relative humidity and the nature of the surface linings of the room. The results have been discussed as a contribution to the understanding of the role of HCI in toxicity of fire atmospheres. Some approaches for improving further the reproducibility of the test method are indicated and support is given to the Japanese proposal that such a test be standardized to enable comparison of fire hazard potential of lining systems used in buildings.     

The early fire behaviour of combustible wall lining materials

The development of the Australian Standard AS 1530 Part 3 ‘Test for Early Fire Hazard Properties of Materials’ from the study of the fire behavior of cellulosic wall linings in simulated room fires has been outlined. Similar studies for assessing a wider range of wall linings are now reported including various plastic facings applied to hardboard. Using similar parameters for ignitability, spread of flame, heat evolved and smoke developed, the behaviors of the linings in the standard test have been compared to the behavior in corner-wall burns. Two methods of ignition were used for the burns; (a) timber cribs; and (b) impressed radiant heat with a pilot flame. The results are discussed in terms of the validity of the standard test as a multi-parameter assessment of materials in a fire hazard situation. The test has been validated for the wider range of wall lining materials.     

Screening tests for fire safety of composites for marine applications

Demands for reduced maintenance, reduced manning and reduced cost are resulting in the need for new and alternative materials for introduction in the fleet. The new materials in many cases tend to be non‐metallic and organic (combustible) materials. In order to maintain a minimum level of fire safety, the US Navy has set performance requirements for new materials in many applications. These include the use of composite materials in ships and submarines. Performance requirements for composites, in most cases, are based on full‐scale fire tests. The use of composites for structural applications in submarines is covered by MIL‐STD‐2031. The use of composites aboard US Navy ships for topside applications is now covered by Fire Safety testing criteria. The recommended fire performance criteria contain requirements for fire growth, smoke toxicity, visibility (ISO 9705), fire resistance and structural integrity under fire (UL 1709). When developing new composite systems, it is expensive to repeatedly conduct these typical full‐scale fire tests to determine the performance of the most recent design. Instead, more cost‐effective small‐scale testing is preferable to evaluate performance. To facilitate the introduction of new and modified fire tolerant materials/systems/designs, and to reduce the financial burden on small business, the US Navy has developed a low cost composite system fire screening protocol which offers the potential of predicting the full‐scale fire performance. Fire growth potential of new composite systems and designs can be screened by using small‐scale test data from cone calorimeter (ASTM E‐1354) and Lateral Ignition Flame spread Test (ASTM E‐1321) in conjunction with the Composite Fire Hazard Analysis Tool (CFHAT). The small‐scale burn‐through test (2×2 ft) was shown capable of screening fire resistance performance determined in furnace testing with a UL‐1709 fire curve. These screening techniques provide cost‐effective approaches for evaluating fire performance of new technologies, which in turn aids in the product development process. Full‐scale fire testing is still required before inclusion of products onboard US Navy submarines and surface ships. Published in 2002 by John Wiley & Sons, Ltd.